package com.xbn.xbnmall.order.web;

import com.xbn.common.exception.NoStockException;
import com.xbn.xbnmall.order.service.OrderService;
import com.xbn.xbnmall.order.vo.OrderConfirmVo;
import com.xbn.xbnmall.order.vo.OrderSubmitVo;
import com.xbn.xbnmall.order.vo.SubmitOrderResponseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;

/**
 * @author XBN
 * @date 2020/8/17 17:36
 * @email 78742541@qq.com
 */
@Controller
public class OrderWebController {
    @Autowired
    OrderService orderService;

    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo vo, Model model, RedirectAttributes redirectAttributes){
        SubmitOrderResponseVo submitOrderResponseVo=null;
       try {
            submitOrderResponseVo=orderService.submitOrder(vo);
       }catch (NoStockException e)
       {
           redirectAttributes.addFlashAttribute("msg","下单失败，库存不足");
           return "redirect:http://order.xbnmall.com/toTrade";
       }

        if(submitOrderResponseVo.getCode()==0)
        {
            model.addAttribute("submitOrderResp",submitOrderResponseVo);
            return "pay";
        }
        else {
            String msg="下单失败:";
            switch ( submitOrderResponseVo.getCode()){
                case 1: {
                    msg += "订单信息过期，请重新提交";
                    break;
                }
                case 2:
                {
                    msg += "订单商品价格发生变化，请确认后重新提交";
                    break;
                }
                case 3:
                {
                    msg += "库存锁定失败，商品库存不足";
                    break;
                }

            }

            redirectAttributes.addFlashAttribute("msg",msg);
            return "redirect:http://order.xbnmall.com/toTrade";
        }

    }
    @GetMapping("/toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {
        OrderConfirmVo confirmVo=orderService.confirmOrder();
        model.addAttribute("orderConfirmData",confirmVo);
     return "confirm";
    }
}
